Windivert Driver Cannot Be Installed You Must Restart Your Computer Top -

Download the standalone (packaged with tools like NetBalancer or available from the official WinDivert GitHub basil00/divert ).

Many users click and still see the error. Why? Windows Fast Startup (enabled by default) hibernates the kernel, leaving driver state intact.

Windows 10 and 11 have a feature called (part of Core Isolation) that blocks drivers it doesn't recognize. If your WinDivert version is older or unsigned, Windows will block it silently.

Repeat for any other WinDivert entries. Then restart and reinstall.

After these steps, the dreaded message will no longer appear.